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5.5 TABLE OF ADJUSTMENTS
The following Table shows the different values that the SEM2 Parameters may be
adjusted to. A suitable acceleration performance assumes: FIELD CURR. NOM is set
to level 5, and MAX SPEED (Fwd or Rev) is set to level 9.
PARAMETERS
PROGRAMMED LEVEL
UNIT 0123456789
ACC. DELAY sec. 0.30 0.50 0.70 0.90 1.10 1.25 1.40 1.55 1.75 2.00
DEC. DELAY * 9876543210
RELEASE BRAKING * 0123456789
INVERS BRAKING * 0123456789
SOFT BRAKING ** % 50403328252220181615
SOFT ACCELERATION *** % 50403328252220181615
CUTBACK SPEED 1 %ACC 303845515764728090100
CUTBACK SPEED 2 %ACC 303845515764728090100
H&S CUTBACK %ACC 30 38 45 51 57 64 72 80 90 100
MAX SPEED FORW. %FCN 100 90 80 71 62 53 45 40 36 33
MAX SP FORW. FINE**** %FCN0123456789
MAX. SPEED BACK. %FCN 100 90 80 71 62 53 45 40 36 33
MAX SP BACK. FINE**** %FCN0123456789
COMPENSATION
***** %I
A
0 5 10 16 22 27 33 38 44 78
MAXIMUM CURRENT %IMax 82 84 86 88 90 92 94 96 98 100
ARMA CUR. NOM. (ACN) %IMax 45 47 50 52 54 56 58 61 63 65
WEAK DROP OUT %ACN 40444852576266707580
FIELD CURR. NOM. (FCN) A 7.5 8.1 8.7 9.3 10 10.6 11.2 11.8 12.5 13.1
CREEP SPEED %VBatt 4 5 6 7 8 9 10 11 12 13
*= If the current inclines to raise, then also the braking time raises in order to obtain
a smooth braking action. Therefore, the duration of the braking depends on
the type of motor and the operating conditions (laden, unladen, on plane, on
gradient).
**= The values in the table indicate how much the brakings (release, inversion,
deceleration) are reduced while H&S function is active.
***= The values in the table indicate how much the acceleration is reduced while H&S
function is active.
****= Is a percentage of the field current which is subtracted to the value defined by
the parameters MAX SPEED FORW and MAX SPEED BACK.
*****= Indicates the percentage of the armature current (while the machine is at con-
stant maximum speed) that is subtracted to the field current.
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